Behavioral task
behavioral1
Sample
RD_VSetup1.41.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
RD_VSetup1.41.exe
Resource
win10v2004-20240802-en
General
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Target
RD_VSetup1.41.exe
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Size
3.3MB
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MD5
094452bdd14c5acce6a8e5cb16f39fac
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SHA1
f7c55189d66bb0722bc00af7b400d66b6caa8779
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SHA256
eea939e6d9dae292703d7d5b634938cfe4a00db8115daf9c3c4148afd8895eef
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SHA512
4dde7c1083b658b943cbb50e95c6fd8fe547512eb11cdfd1f1d0fe9f1552b968f6cbf30fbfb8829cba65e00504abe63c39c0c9680cd8d0c945c56e1fe8a96d67
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SSDEEP
49152:fvLI22SsaNYfdPBldt698dBcjH20ymSmzDwoGdeBTHHB72eh2NTc:fv022SsaNYfdPBldt6+dBcjH/ym8+
Malware Config
Extracted
quasar
1.4.1
RemixThatTing
192.168.1.1:4782
2853cd92-f829-4151-a3ab-a32a77b6bfd1
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encryption_key
1C048FBC4D2C47C8039B5C30AAA4E3E12C03AE02
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Java Updater v.1.4.1
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource RD_VSetup1.41.exe
Files
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RD_VSetup1.41.exe.exe windows:4 windows x86 arch:x86
Password: 123
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 3.1MB - Virtual size: 3.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 186KB - Virtual size: 186KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ